Spring biased sealing device for supporting a luminaire bowl on the reflector



Nov. 13, 1951 E. H. YONKERS. ET AL I 2,575,310

SPRING BIASED SEALING DEVICE FOR SUPPORTING A LUMINAIRE BOWL ON THE REFLECTOR Filed April 12. 1946 2 SHEETSSHEET l JameaHFaZzg III/Ill NOV. 1951 E. H. YONKERS ET AL v2,575,310

' SPRING BIASED SEALING DEVICE FOR SUPPORTING A LUMINAIRE BOWL ON THE REFLECTOR Filed April 12. 1946 2.SHEETSS HEET 2 INVENTORS.

Patented Nov. 13, 1951 SPRING BIASED SEALING DEVICE FOR SUP- PORTING A LUMINAIRE BOWL ON THE REFLECTOR Edward H. Yonkers, Glencoe, and James H. Fahey,

Chicago, Ill., assignors to J oslyn Manufacturing and Supply Company, Chicago, 111., a corporation of Illinois Application April 12, 1946, Serial No. 661,491

16 Claims. (Cl. 240-147) The present invention relates to luminaires and more particularly to street lighting luminaires of the enclosed type.

In general street lighting luminaires of the type referred to above comprise an enclosure defined by a head assembly which is either of metal or some form of insulating material, a conoidshaped reflector, and glassware generally in the form of a semi-spheroidal or substantially semispherical globe. Within the enclosed unit thus defined there is mounted a light receptacle and an electric light bulb. It is essential that bugs, dust and moisture be excluded from the enclosure and at the same time it is also essential that access may readily be had to the lighting unit such as the bulb for replacement thereof. Moreover it is also necessary to be able to replace the glassware in the event of breakage thereof and. it may furthermore be desirable to wash or otherwise clean this glassware periodically. It has been common practice for many years to fasten the glassware comprising the semi-spheroidal or semi-spherical globe to the reflector by means of spring toggle latches whereby access to the light bulb within the unit is obtained and removal of the glassware for replacement or cleaning can also be readily accomplished. In order to prevent bugs, dust and moisture from entering the enclosed structure at the juncture between the glassware and the reflector it was customary to provide a suitable gasket. Due to the fact that satisfactory gaskets are generally formed of organic material which deteriorates with age and heat considerable pressure was brought to bear on manufacturers to furnish a construction which did not employ a gasket at the juncture between the glassware and the reflector and yet which was bug, dust and moisture tight.

Luminaires are now available on the market which have no gasket between the glassware and the reflector. Such luminaires employ a spun-on ring or a clamping ring arrangement of some sort. These arrangements either prevent separation of the parts or removal of the glassware in the field,

or if replacement of the glassware can be accom-' plished in the field it requires much time and effort. In order that ready access can be had for replacement of the lamps within enclosed luminaires of the type which are not adapted to ready separation of the glassware from the reflector it has been common practice to provide an arrangement wherein the reflector could be unlatched or removed from the head of the luminaire. Since it is possible to make these joints ground metalto-metal joints, for example, a weather-proof construction wasfeasible without the use of gaskets. These prior art arrangements provided a sealed construction which was bug, dust and moisture tight, but they required two points of separation, one between the reflector and the head aifording ready access for replacement of the bulb in the field and secondly, a gasketless joint between the glassware and the reflector. This latter joint, which permitted replacement of the glassware, in many cases necessitated a trip to the factory with the luminaire for inserting a new globe. It would be desirable to provide a luminaire construction of the enclosed type in which only a single gasketless point of access is provided, which permits replacement of the lamp in the field and actual servicing of the luminaire from the ground, and furthermore to provide a. construction which permits ready removal of the glassware in the field for cleaning or replacement thereof when necessary.

Accordingly, it is an object of the present invention to provide a new and improved street lighting luminaire having the desirable features noted above.

It is another object of the present invention to It is a further object of the present invention" to provide an enclosed luminaire construction having a new and improved sealing arrangement between the glassware and the reflector which is weather-tight and yet permits ready servicing of the luminaire in the field.

Yet another object of theppresent invention is to provide a new and improved street lighting luminaire with means for floating the glassware into sealing engagement with the reflector in a manner to permit ready removal of the glassware and servicing of the luminaire.

1 Further objects and advantages of the present invention will become apparent as the following description proceeds and the features of novelty which characterize the invention will be pointed out with particularity in the claims annexed to and forming a part of this specification.

For a better understanding of the present invention reference may be had to the accompanying drawings in which:

,Fig. l is,an elevational view of oneformtof street lighting luminaire embodying the presentj invention;

aa'iasm Fig. 2 is a top view of the glassware and supporting ring of the luminaire shown in Fig. 1;

Fig. 3 is a sectional view of a portion of the construction shown in Fig. 2 taken on line 33 thereof;

Fig. 4 is a sectional view taken on line 4-4 of Fig. 2;

Fig. 5 is a sectional view taken on line 5-5 of Fi 2;

Fig. 6 is an enlarged viwfsimilarfto Fig. 5 illustrating a modification of the present invention insofar as resilient means for floating the glass ware and means forfastening the glassware to its supporting ring isconce'rned; Y

Fig. '7 is a sectional view taken on line 'I-l of Fig. 6;

Fig. 8 is a sectional view "similar to Fig. 6

showing a further modification of the invention insofar as the resilient means for floating the glasswarein its supporting ring is concerned;

Fig. 9 is a sectional view taken on line 9-9 10 is a sectional view similar to Fig. 6 showing a modification of the sealing means of the present invention;

Fig. 1-1 is a view taken on line i|- -li of Fig. 10; and p I Fig. 12 is a sectional view similar to Fig. 10 showing still another modification of the sealing means of the present invention.

.Street lighting units or luminaires of the enclosed construction are of many specific types particularlywith respect to the head assembly thereof. which may comprise a metal head particularly when used for multiple circuits. In addition various kinds of;porc elain heads are commonly employed with series circuits and such Po ce i a s mayia ema y d ren fo ms. depending upon whetherinner or outer wiring is employed, etc. In order to-illustrate the present; invention, only a single style of street lighting unit or luminaire is illustrategl in Fig. 1 of the drawings, It should be understood. however, that the present invention is equallyapplicable toall other. styles of street lighting'luminaires ofthe enclosed type and the'spcific illustrated embodiment is inerely representative ofv a con: s tffiti'dfi to which the 'prseiit invention is a1 plicab p V v Referring now to Fig. 1. or the. drawings there is illustrated a street lighting luminaire of the fiQmS'ed giiei' ally 'iildioat ejii 'by the referares numera in. This luminaire. is illustrated comprisin ahead il "preferably form edfof an insulating material'si ch as porcelain or the like which has "mouiitd thereon a metal canopy i2. A- pair of terminals 13 andQM are supported fr m the head ll having ,coiijdiicting portions whichekt'erid. into the interior thereof to make eonnec'tion with a lamp-supporting receptacle, not shown, suitably mounted with iilthe'had l l for accommodating theilamp indicated as an iiicandescentbulb l5 Terminals |3.an'd {care provided With 'Silitablelead-deceiving' bp'nil i'gS .IG and adjustable clamping screws jll6'ffor insuring ge s electrical connection bet een the "external leads, not, shown, and the terminals. 1| 3 and i 4. The lower end of theihead l [is provided with a flange Ha to which a suitable conoid shaped reflector, I! may be 'fastenedas 'byfmeans, jof screws Ila. It will be understood"thatifafmetal head employed in connectionwiththe luminaireja'lground 'sealbetween thereflector fl 1. and

the head can be provrdeato "furnish" a "weather-I proof joint without the use of gaskets? "since.

4 in accordance with the present invention the reflector is permanently attached to the head It and access to the interior of the enclosure comprising the luminaire is not expected to be obtained by separation of the'fla'nge lia. of head H and the reflector II, a suitable gasket may be employed for sealing purposes if desired. Such gaskets are satisfactory for joints which are relatively permanent but cause difliculty in those cases where, thejjoint is provided for affording relatively frequentaccess to the interior of a structure. The reflector l! is preferably formed of sheet nietalwith an inner reflecting surface of any suitable construction which forms no part of the present invention.

In order to provide an enclosed construction the lower endof the reflector is closed by means of light-transmitting glassware comprising a globe it or semi-spherical or semi-spheroidal construction having somewhat the shape of a bowl. Inaccord'ance withone modification of the present invention, the open end of the semisphericalglobe I8 is provided with an annular shoulder i9 having a frusto-conical sealing surface. 20, the purpose of which will'become apparent from the following description. The reflector lion theotherhand, is provided with an annular flange 2| which is generally horizontal and which has, depending from the outer edge thereof, an annular skirt 22 having a somewhat greater diameter than the maximumdianieter of the annular shoulder i9. As; is obviou's from the draw-- ings the skirt 22 is defined n roiuing abortion of therefiector back upon itself to provide a relatively,rigid annular member for supporting hinge and latching means defined hereinafter releasably to'relatethe globe I8 with the reflector H. Between the annular flange 2 lof the reflector H and the conoidfsh'aped reflector portion thereof, there is provided a secondfrusto-conical sealing surface 23 whichis adapted to cooperate with the first frusto-conical sealing surface 20 on the globe is in a manner to be described mem'beror ring 2' i having an L -shaped cross'-' section as is best shown in Figs. 4 and 5 of the drawings and including a horizontal flange 24a and a vertical flange 24b. The annular shoulder I'B f the globe i8 hasfa diameter such that itis adaptedjto be supported on the horizontal flange 24a of the ringed, In accordance with the pres-' ent' invention the 'glassware or globe i8 is. floated iuririg 24 by resilient means generally indicated at 25' whichar'e illustrated inyFigs. 2, 3 and '4 of the drawingsfas ll -fs'haped members formed of springglike'material with th'ejbas'e'of the V riveted or otherwisefsuitably fastened as indicated at 25 to the horizontal "flange 24a of ring '24. To increase the resilience of the members 25 a suitable spring backing strip such as 21 may be pro videgi if desired, These'resi'lient means 25 are spaced "around the periphery of ring 24: in the manner. clearly -indicated in Fig. 2 of the draw"- ings and the ends of the legs of the V-shaped members 25 are rounded as indicated at 25a to engage the annular shoulder 1i 9 j of the globe '18.

To provide a unitary 'assembly of the ring 24 and. the globe "it which will still permit replacemerit of the glassware, itis desirable that they the-tithe" iris provided with amnesty-embraced- 51 recesses 28 around the periphery of annular shoulder I9 as best shown in Figs. 3 and 5 of the drawings, into which a plurality of screws 29 threaded through the vertical flange 24b of the ring 24 may extend. It will be observed that with this arrangement the ring 24 may be fastened to the globe IS with the resilient means 25,

compressed a predetermined amount. The globe I8 may be pushed downwardly to further compress the resilient means 25 but the screws 29 will prevent removal of the ring 24 therefrom without first withdrawing the screws 29 fromthe recesses 28.

In order that the globe I8 which is floatedin the ring 24 may be held in sealing engagement with the reflector l1, there are provided a pair of latch members 38 and 3|, disposedin diametrically opposed relationship with reference to the ring 24. These latch members may be of any suitable construction and as illustratedin the drawings the latch member 30 is also adapted to act as a hinge and comprises a p ir f O P- the hinge pin 34 of the latch 30 which efiectively' provides a hinge. In addition theas'sembly of the globe l8 and the ring 24 may be completely separated from the reflectorll merely by lifting the hinge pin 34 out of the hook portions of the hook-shaped members 32. The latch 3| is illustrated as comprising a latching member 35 pivotally mounted as indicated at 36 to suitable means fastened to the annular skirt 22 of reflector IT. The pivotally mounted latching member 35 is provided with a plurality of teeth 38 adapted to engage a hook-shaped latching member 39 fastened to the ring 24. A suitable spring 40 tends to' bias the latching member 35 in such a direction that the teeth 38 remain in engagement with the latching member 39. It will be apparent that with the latch 3! as indicated in Fig. l of the drawings an upward force is applied to ring 24 so as to bias the interfltting frusto-conical surfaces 2|! and 23 into sealing engagement. The resilient means 25 which are further compressed when the latches 3i} and 3I-are in latching'engagement tend to hold these conical sealing surfaces in engagement so as to provide a weathermaintain the sealed relationship. Also, with this arrangement a substantial-sealing area maybe employed and the difiiculty encountered with organic gaskets is completely eliminated. At the same time, the bulb I5 may be replaced or the globe I8 may be cleaned or replaced in the field. In fact by using suitable servicing tools such as lamp replacers this may be accomplished from' the ground, thereby'greatly facilitating the servicing of luminaries embodying the present invention.

In Figs. 6 and 7 there is tion of the present invention insofar 'ias the illustrated amodifica- 6 means. for holding the ring 24 in assembled relationship with the globe I8 is concerned. The corresponding parts are designated by the same reference numerals as in the preceding figures.-

Instead of providing the recesses 28 in the annular shoulder I9 of the globe I8 and the screws 29 in the ring 24, there is provided an annular groove 4| in the ring 24 into which may be inserted a snap ring 42 which engages with a flat portion 43 formed on the annular shoulder I9. The ring 24 may be assembled in position on the globe l8 with the resilient means held under compression to such an extent that the snap ring 42 may be snapped into position in the groove 4|.

. Although a. particular type of resilient means for floating the globe I8 in ring 24 has been described and illustrated it will be apparent that such resilient means may take various forms.-

Accordingly in Figs. 6, '1, 8 and 9 there are illustrated modifications of the resilient means of the present invention. The corresponding parts of these figures are designated by the same reference numerals as in the preceding figures. Mounted between the annular shoulder I9 of the globe I8 and the ring 24 is a resilient means 44 in Figs. 6 and 7 of the drawings and resilient means 45 in Figs. '7 and 8, both means being in the form of a convolute spring. In other words the resilient means 45 comprises a wire of spring material having a zig-zag configuration so that it extends from the angle defined between the shoulder I9 and the spherical body portion of globe I8 to the angle defined between the horizontal flange 24a and the vertical flange 24b of the ring 24. It will be understood that the revention shown in Figs. 10 and 11, the conical sealing surfaces may be dispensed with and yet a gasketless seal is provided. The corresponding parts of Figs. 10 and 11 of the drawings are designated by the same reference numerals as in the preceding figures.

ring 24 together is also shown in Fig. 10 of the drawings and this arrangement is first described. The globe designated as I8 is provided with an annular shoulder I9 having a fiat sealing sur-- face 46. The globe I8 is also provided with a plurality of bosses 41 spaced around the periphery of the globe and positioned a predetermined distance below the annular shoulder l9,

The horizontal flange portion 24a of the ring 24 is provided with a plurality of cooperating notches 48 spaced around the periphery to accommodate the bosses 41. When the ring 24 is being fastened to the globe l8, it is first slipped over the globe I8 from the closed end toward the flange I9 with the notches 48 thereof in registry with the bosses 48 on the globe I8. When the ring 24 is moved to the position indicated in Fig. 10 of the drawings with reference. only to the space betweenit and shoulder. I 9? the re ilien mea ii are under ompnes iqa.

A modification of the method of fastening the globe and the sealing and 'th'e io'w'ermba portion o'f-th'e ring clears the bosses '41. If the ring 24 is now rotated 'relative to the globe [8 so that the bosses 4! and the notches 48 have the relative positions-indicated in'Fig. 1 1 of the drawings, the ring 24 is securely fastened to the globe [8". With this arrangement the ring 24 is fastened to the globe 48' which is resiliently floated therein.

In order to provide a bug, dust and moisture seal between the reflector ll of Fig. 10 of the drawings and the globe 18', there is provided an ah'nular spring sealing member 49 having a corrugated portion or a plurality of annular ribs 50 adjacent the innerdiameter thereof which ribs are adaptedto engage with the flat sealing surface 45 on the annular shoulder IS. The anmnar spring member 49 has a depending anmnar skirt portion 5| adjacent the outer diameter'thereof which fits against the skirt portion fl ofre'flector l1 and is preferably held in position by's'uitable means such as the eripherally positioned stakes, one of which is indicated at52. The-inherent resilience of the annular spring seal tends to bias the corrugated portion 50 thereof into firm engagement with the flat sealing surface fliof the'globe l8 and the resilient means 25f-urtherinsure the sealing engagement of these surfaces. This construction provides an advantage in'that any irregularities in the surface of the flange 2! are taken up by deformation of spring'me'mber '49'under the influence of resilient means 25.

In Fig'. 12of the drawings there is illustrated a'inodification of the construction shown in Fig. 1D with the corresponding parts designated by the same reference numerals. Instead of employing'the annular spring sealing member 49, th'e' annula'r flange '21 of reflector I 7" is provided with a plurality of corrugations or annular ribs 53 'which sealingly engage with the fiat sealing surface "46 of thegiobe I 8. The resilient means 25 hold theseribs and surface 46 in sealing engagement to provide a bug, dust and moisturetight seal therebetween.

In view of the detailed description included above, it will be apparent that a gasketless seal has been provided between the glassware of a str'eet'li'ghting luminaire and the reflector, which gasketless *seal maybe opened from the ground if-necess'ary for servicing the lumihaire as by repla'cihg the lamp or washing or replacing the glassware. In addition only a'single joint is providedfor alferding-access to the lamp bulb and avjery satisfactory and simple construction is provided overcoming many of the disadvantages of the prior art arrangements.

'Its'hould be understood that the present inventionis not limited to the specific constructio ns and arrangements described'above and that changes and modifications may occur to those skilled in the art without departing from the spirit and scope of the presentinvention. It is, therefore, 'aimed'i-n the appended claiins'to cover all such changes and modifications asfall within the true'spirit and scope of the presentinvention.

We'claim:

-1. In a street lighting luminaire, a reflector, supporting means for said reflector held'in sealed relationship therewith, a semi-spheroidal globe having an annula'rshoulder at its openend provided with a-gl'ass sealing surface, a ring for supporting said glob'e, resilient means interposed between said ring and said shoulder for floating said globetherein, cooperating locking means on siid iirig and globe respectively 1 for holding "saidring and globe together "as a unitary {assembly with said interposed resilient 'ineans under a predetermined compression, a cooperating metal sealing surface on said reflector for engaging said glass sealingsurface to provide a dust and moisture tight seal therebetween, and releasable latching means for latching said ring to said reflec'tor so as further to compress said resilient means and bias said sealing surfaces into sealing" interposed resilient means as a unitary assembly even when disassociated from said reflector, a cooperatin conical surface on said reflector for engaging said conical sealing surface to provide a dust and moisture tight seal therebetween, and releasable latching means for latching said ring to's'aid reflector so as to compress said resilient mean's'and hold said conical sealing surfaces in'se'aling engagement,

3. In "a street lighting luminaire a reflector. supporting means for said reflector held in sealed relationship therewith, a substantially semispherical globe having an annular shoulder at its open endprovided with aifrusto-conical sealingsurfaoe, a ring for supporting said globe, resilient means interposed between said ring and saidshoulder for floating said globe therein, cooperating locking means on said rin and globe respectively for holding'said globe and ring as a unitaryassembly independently of said refleca tor, a cooperating frusto-conical surface on said reflector for engaging said frusto-conical sealing surface toprovide a dust andmoisture tight seal therebetween, and releasable latching means for latchin said ring tosaid reflector so as to com-= press said resilient means and hold said frustoconical-sealing surfaces in sealing engagement.

4. In a street lighting luminaire a reflector, glassware in the form of a substantially semispherical :globe having an annular shoulder at its'open-end provided-with a glass sealing surface, a-ring havin a horizontal flangefor-supporting-said globe, resilient means including a plurality of V-shaped members interposed between said-flange and said shoulder for floating said: globe in said ring, a cooperating surface onsaid reflector forengaging 'saidsealin surface on said shoulder to-provide a dust and moisture tight seal therebetween, and releasable latching means for latchingsaid ring to said reflector so as to-compress-said resilient means and bias said sealing surfaces into sealing-engagement.

5.-I-n -a street lighting luminaire a reflector,

glassware inthe form of a substantially semispherical globe having an annular shoulder at its open end provided with a glass sealing surface, aring havinga horizontal flange for sup,- porting said globe, resilient means including a convolute'sprin interposed between said flange and said "shoulder for floating said globe in said ring, cooperating means on said ring and globe respectively for holding said ring and said globe with the-interposed resilient means as a unitary liector, a cooperating for engagin said sealing surface on said shoulder to provide a dust and moisture tight seal surface on said reflector supportin means for said reflector, a substan' tially semi-spherical globe of glass or the like having an annular shoulder at its open end provided with a flat portion defining an annular 'sealing surface, a ring for supporting said globe, resilient means interposed between said ring and said shoulder for floating said globe therein, means comprising a snap ring engageable with a groove in said ring'for holding said ring and globe as aunitary assembly, a cooperating annular surface on said reflector for engaging said annular sealing surface on said globe to provide a dust and moisture tight seal therebetween, and releasable latching means for latching said ring to said reflector so as to compress said resilient having an annularshoulder at its open end provided with a flat portion defining an annular sealing surface, a ring for supporting said globe. resilient means interposed between said ring and said shoulder for floatin said globe therein.

means comprising'a plurality of bosses on said a globe for holding said ring and globe as a unitary assembly, means definingnotches in said ring to permit said notches to register with said bosses for removal of said ring from said globe, a cooperating annular surface on said reflector for "40 press said resilient means and hold said sealing surfaces in sealingengagement.

8. In a street lighting luminaire a reflector, supporting means for said reflector, a substantially semi-spherical globe of glass or" the like having an annular shoulder at its open end provided with a flat portion defining an annular sealing surface, a ring for supporting said globe, resilient means interposed between said ring and said shoulder for floating said globe therein, means comprising a notch in said shoulder for receiving a screw threaded in said ring to hold said ring and globe as a unitary assembly, a cooperating annular surface on said reflector for engaging said annular sealing surface on said globe in a dust and moisture tight manner, and releasable latching means for latching said ring to said reflector so as to compress said resilient means and hold said sealing surfaces in sealing engagement.

9. In a street lightin luminaire, the combination of a reflector having a relatively rigid annular member associated therewith, a supporting means for said reflector, a semi-spheroidal globe of glass or the like having an integral annular shoulder at its open end, an annular glass sealing surface on said shoulder, a ring for supporting said globe by said annular shoulder, resilient means interposed between said rin and said shoulder for floating said globe in said ring, cooperating means on said ring and said globe for holding said ring and globe and said interposed resilient means as a unitary assembly even when said assembly is disassociated from said reflector, means on said reflector for engaging said annular sealing surface in a weather-tight 'manner, and releasable means associated with said ring and said relatively'rigid annular member for compressing said resilient means'to' hold said means on said reflector and said sealing surannular shoulder, resilient means interposed'between said ring and said shoulder for floating said globe in said ring, an annular spring means supported by said reflector having a portion ongagin said annular sealing surface in a weathertight manner, and releasable means for compressing said resilient means to hold said spring means and said annular sealing surface in sealin engagement. 5

11. In a street lighting luminaire, the combi nation of a reflector, a supporting means for said reflector, a bowl-shaped globe formed of light-transmitting materialfhavi'ng an integral annular shoulder at its open end,'a flat annular sealing surface on one side of said shoulder, a ring for supporting said globe by said annular shoulder, resilient means interposed: between said ring and the other side of said shoulder for float} ing said globe in said ring, cooperating means on said ring and said globe for holding said ring and globe and said interposed resilient means as ,a unitary assembly'even when said assembly is dis-- associated from said reflector, an annular rib on said reflector for engaging said annular sealing surface in a weather-tight manner, and releas- 'ablemeans between said reflector and said ring for-compressing said resilient means to bias said rib and said-sealing surface into sealing en gage'ment. H

12. In a street lighting luminaire, the combination of a reflector, a supporting-means for said reflector, a bowl shaped'globe formed of light 't'ransmittin'g material having an integral annular shoulder at its open end, a flat annular sealing surface on one side of said shoulder, a ring for supporting said globe by said annular shoulder, resilient means interposed between said ring and the other side of said shoulder for floating said globe in said ring, cooperating means on said ring and said globe for holding said ring and globe and said interposed resilient means as a unitary assembly even when said assembly is disassociated from said reflector, means associated with said reflector defining an annular rib for engaging said annular sealing surface in a weather-tight manner, and releasable means between said reflector and said ring for compressing said resilient means to bias said rib and said sealing surface in sealing engagement.

13. In a street lighting luminaire, the combination of a reflector, a supporting means for said reflector, a bowl-shaped globe formed of lighttransmitting material having an integral annular 76 ring and said globe for holding said ring and globe and: saidinterposed; resilient: means as :a

unitary assembly eveni'whensaid: assembly is: disassociated from said: reflector, means associated witnsaid reflector defining a: plurality of annular ribs for engaging said; annular: sealing surface in a. weather tightimanner; andreleasable-means betweensaid reflector-andsaid rlngforcompressing said resilient meansto: bias said ribsandlsaid sealing surface in sealing engagement.

14;, In a street fighting luminaire, the combination of a reflector, a supporting means for-said reflector, a bowl shapedi globe of light-transmittingymaterial having; an: integral annular shoullder at its open end, meansdeflninga frusto-conical surface; adjacent one side of said shoulder,

a ring for supporting :said: globe. by said annular shoulder, resilient meansinterposed between said ring and the other side of said shoulder for floating said globetin -said ring, cooperating means on said ring: and said globe for holding said ring .and globeand. said interposed resilient means as a unitary assembly even when said assembly is disassociated from said-reflector, means on said reflector defining a cooperating frusto-conical surface adaptedto: interfiti with said first-mentioned frusto-conical surface, and releasable -means between, said ring: and said reflector for compressing saidresilient means to bias the interiitting frustov-conical surfaces into sealing engagement..

15. In a, streetrlightingv luminaire, the'combination of a reflecton: arsnpporting'means-for said reflector, a bowl-shaped globe formed of lighttransmitting material having an integral annular shoulder-at itsaopenendymeans defining a. flat annular sealing-,surface-on one side of said shouldena ring for supporting saidglobe by said annular shoulder, resilientmeans interposed betweenlsaid ring andthe: other side of said shoulder for floatingsaid globe. in, said ring, cooperatingmeans. on said globe. and; ring respectively-for holding said ring-and: said globe and said interposed resilient means together as a unitary assembly independently of said reflector'with-said resilient means, under a, predetermined compression, meanson said reflector for engaging said annular sealing surface inaweather-tight manner, and. releasable means between said, reflector 12 andsaid ring for compressing-said resilient-means tobias said, means on saidireflector and-.saidsealing surfacelinto sealing engagement.

1.6. Ina street lighting; luminaire, the-bombination: of a reflector, a supporting means for said reflector, .aabowlrsha-ped globe. of, lightrtransmitting material having an. integral annular shoulder at its openend, means defining airustoconical surface adjacentv one side of said shoulder,a ring for supporting said globeby said annular shoulder; resilient means interposed between said ring and the-other side of said shoulder-for floating said globe in said ring; cooperating means on said globe andring respectively for bolding, said ring and saidglobe and said interposed resilient means together-as aunitary assembly independently of said :refiector with said resilient means under a predetermined compression, means on said reflector defining a cooperating f-r-usto-conical surface adapted to interfit with said first-mentioned frusto-conical surface, and releasablemeans between said. ring and said reflector for compressing said, resilient means to bias the interfitting frusto-conical surfaces into sealing engagement.

EDWARD H. YONKERS.

JAMES H. FAHEY.

REFERENCES CITED The following references are of record in the file of this patent: V

UNITED S'IA'I'ESv PATENTS 

